| Line | Roll Up Total Concept | Roll Up Items Concept | Count |
|---|---|---|---|
| 1 | us-gaap:InventoryValuationReserves | oesx:InventoryWorkinProcessValuationReserves | 1 |
| 2 | us-gaap:InventoryValuationReserves | oesx:InventoryRawMaterialsandSuppliesValuationReserves | 1 |
| 3 | us-gaap:InventoryValuationReserves | oesx:InventoryFinishedGoodsValuationReserves | 1 |
(Note that this is a work in progress!)